package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@Slf4j
@RestController
@Api(tags = "菜品相关菜单")
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result add(@RequestBody DishDTO dishDTO){
        log.info("新增菜品:{}",dishDTO);
        dishService.addWithFlavor(dishDTO);
        //清理缓存数据
        String key = "key" + dishDTO.getCategoryId();
        log.info("清理缓存数据执行");
        clearCache(key);
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> selete(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult= dishService.selete(dishPageQueryDTO);
        return  Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @ApiOperation("批量删除菜品")
    @DeleteMapping()
    public Result deleteByDishId(@RequestParam List<Long> ids){
        log.info("批量删除菜品{}",ids);
        dishService.deleteById(ids);
        //将所有的菜品缓存清理掉 所有dish_开头的
        clearCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品:{}",id);
        DishVO dishVO=  dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result <List<Dish>> getByCategoryId(Long categoryId){
        log.info("根据分类id查询菜品:{}",categoryId);
        List<Dish> list=  dishService.getByCategoryId(categoryId);
        return Result.success(list);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result putDish(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //将所有的菜品缓存清理掉 所有dish_开头的
        clearCache("dish_*");
        return Result.success();
    }

    /**
     * 菜品起售、停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售、停售")
    public Result updateStatus(@PathVariable Integer status,Long id){
        log.info("菜品起售、停售:{},{}",status,id);
        dishService.updateStatus(status,id);
        //将所有的菜品缓存清理掉 所有dish_开头的
        log.info("缓存清理掉");
        //clearCache("dish_*");
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);

        return Result.success();
    }

    /**
     * 清除缓存
     * @param pattern
     */
    private void clearCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
